This Blueseal Bike Bearings kit contains‚ the upper and lower headset bearings needed to replace your‚ Hope 1 1/8" headset bearings. Blueseal Bike Bearings™ are Bicycle Specific Bearings. The tighter the seal is to the inner bearing race, the harder it is for water and dirt to get in — and the harder it is for grease to escape.
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